Merge pull request #1040 from CNprober/patch-1

占坑
[Translating]How to take a screenshot f.....Linux

翻译中
Merge pull request #1042 from alim0x/patch-1

[Translating]How to take a screenshot f.....Linux
发布：The Top 8 Open Source NoSQL Databases In Java
初稿 2014/05/24
基本完成.开心啊.
翻译完成.
Merge branch 'patch-1' of https://github.com/CNprober/TranslateProject into patch-1